in_systm.h 1.5 KB

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  1. /* System specific type definitions for networking code.
  2. Copyright (C) 1997-2020 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #ifndef _NETINET_IN_SYSTM_H
  16. #define _NETINET_IN_SYSTM_H 1
  17. #include <sys/types.h>
  18. #include <stdint.h>
  19. __BEGIN_DECLS
  20. /*
  21. * Network order versions of various data types. Unfortunately, BSD
  22. * assumes specific sizes for shorts (16 bit) and longs (32 bit) which
  23. * don't hold in general. As a consequence, the network order versions
  24. * may not reflect the actual size of the native data types.
  25. */
  26. typedef uint16_t n_short; /* short as received from the net */
  27. typedef uint32_t n_long; /* long as received from the net */
  28. typedef uint32_t n_time; /* ms since 00:00 GMT, byte rev */
  29. __END_DECLS
  30. #endif /* netinet/in_systm.h */